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A muzzle flash from firing a live ammunition round from an actual machine gun is stimulated in an imitation machine gun by locating a LED light source within a flash suppressor attached to a muzzle end of a barrel of the imitation machine gun. When energized, the light source emits a burst of light

A muzzle flash from firing a live ammunition round from an actual machine gun is stimulated in an imitation machine gun by locating a LED light source within a flash suppressor attached to a muzzle end of a barrel of the imitation machine gun. When energized, the light source emits a burst of light through vents in the flash suppressor. A plurality of LEDs create the burst of light.

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1. A muzzle flash simulator for use in an imitation machine gun to simulate a muzzle flash from firing an actual machine gun, the imitation machine gun having a barrel and a flash suppressor with a plurality of vent slots attached to a muzzle end of the barrel, the muzzle flash simulator comprising:

1. A muzzle flash simulator for use in an imitation machine gun to simulate a muzzle flash from firing an actual machine gun, the imitation machine gun having a barrel and a flash suppressor with a plurality of vent slots attached to a muzzle end of the barrel, the muzzle flash simulator comprising: a light source having a plurality of LED array devices which when energized emit a burst of light through the vent slots of the flash suppressor; each LED array device having: (a) a plurality of LEDs arranged in an array;(b) an anode electrode through which current is supplied to the plurality of LEDs of the LED array device and a cathode electrode from which current is conducted from the plurality of LEDs of the LED array device; and(c) a pair of current conducting rails to contact the anode electrode and cathode electrode of each LED array device; anda housing within which the light source is positioned, the housing adapted to fit within the flash suppressor. 2. A muzzle flash simulator as defined in claim 1, wherein: each rail comprises a bow portion and base portion which are separated by a slot, the bow portion extending convexly relative to the base portion; and further comprising:a base plate having an upper surface which receives the base portion of each rail and positions the bow portion of each rail above the upper surface of the base plate; and wherein:the anode and cathode electrodes of each LED array device contact the bow portion of each rail above the upper surface of the base plate. 3. A muzzle flash simulator as defined in claim 2 wherein: each LED array device is pressed against the bow portion of each rail to retain the anode and cathode electrodes of each LED array device in contact with the bow portions of the rails. 4. A muzzle flash simulator as defined in claim 3, wherein: the convex curvature of the bow portion of each rail is resiliently deformable toward the slot and presses against the anode and cathode electrodes of each LED array device. 5. A muzzle flash simulator as defined in claim 4, wherein: each LED array device comprises a substrate upon which the plurality of LEDs are formed in an array; andthe anode and cathode electrodes are formed on the substrate;each LED array device comprises a lens attached to the substrate and extending over the array of LEDs formed on the substrate; andpressure is applied to the lens of each LED array device to press the anode and cathode electrodes against the rails. 6. A muzzle flash simulator as defined in claim 5, further comprising: a glass panel contacting the lens of each LED array device; anda retaining frame which retains the glass panel in contact with the lens of each LED array device, the retaining frame and the glass panel applying the pressure to the lens of each LED array device. 7. A muzzle flash simulator as defined in claim 6, wherein: the retaining frame is connected to the base plate. 8. A muzzle flash simulator as defined in claim 7, wherein: the housing is tubular in configuration, the tubular configuration of the housing fits within a cylindrical opening in the flash suppressor, and the tubular housing defines an open interior; andthe base plate including the rails and the LED array devices and the glass panel and the retaining device are located within the open interior of the housing. 9. A muzzle flash simulator as defined in claim 8, further comprising: a disk formed of opaque material positioned at an end of the tubular housing adjacent to a distal end of the cylindrical opening in the flash suppressor. 10. A method of simulating a muzzle flash from firing a live ammunition round from an actual machine gun in an imitation machine gun having a barrel with a flash suppressor attached to a muzzle end of the barrel, wherein the flash suppressor defines a cylindrical interior with vent slots extending from the cylindrical interior to an exterior of the flash suppressor, said method comprising: locating a light source within the flash suppressor having a plurality of LED array devices located within a cylindrical housing within the cylindrical interior of the flash suppressor, with each LED array device including a plurality of individual LEDs arranged in an array;using a base plate upon which to support the LED array devices;conducting electrical energy to the LED array devices through rails retained by the base plate;pressing the LED array devices into electrical conduct with the rails;locating the base plate and the rails within the cylindrical housing; andenergizing the light source to emit a burst of light through the flash suppressor having an intensity which simulates the intensity of a burst of light from firing a live ammunition round from an actual machine gun. 11. A method as defined in claim 10, further comprising: using a lens of each LED array device to cover the array of LEDs of each LED array device; andapplying pressure to the lens to press the LED array devices into electrical contact with the rails.